• Appearance: Yellow Crystalline Powder
• Crystallinity: Pass
• Identification: Pass
• Loss on Drying: ≤ 2.0 %
• pH (1% Solution in Water)@ 25°C: 2.3 - 3.3
• Potency: ≥ 900 µg/mg
• Specific Rotation: -250 - -235°

PR1MA™ HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]

Common Name: HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]
CAS Number: 16052-06-5
Molecular Weight: 252.3
Chemical Formula: C₉H₂₀N₂O₄S
Solubility: Water
Storage Temp: Room Temperature

Research or further manufacturing use only, not for food or drug use.

• Appearance: White Crystalline Powder
• Assay (Titration, dried basis): ≥ 99.0 %
• Loss on Drying: ≤ 1.0 %
• pH (1mol/L in Water @ 20 ^oC: 5.0 - 7.0
• Solubility (0.1M in water): Clear and Colorless

PR1MA™ Streptomycin Sulfate

• Appearance: Fine White Powder
• Appearance of Solution: Clear
• Abnormal Toxicity: Meets The Requirements
• Bacterial Endotoxins : ≤ 0.25 IU/mg
• Colorimetric: ≥ 90.0 %
• Identification: Complies
• Loss on Drying (EP): ≤ 7.0 %
• Loss on Drying (USP): ≤ 5.0 %
• Methanol (GC): ≤ 0.3 %
• pH: 4.5 - 7.0
• Potency (Dried basis): ≥ 720 µg/mg
• Residual Solvents: No Class 1, 2, 3 or other residual solvents are present
• Streptomycin B: ≤ 3.0 %
• Sulfate: 18.0 - 21.5 %
• Sulfated Ash: ≤ 1.0 %
• BSE/TSE: BSE/TSE Free

PR1MA™ IPTG [Isopropyl-β-D-thiogalactopyranoside], Dioxane Free

Common Name: Isopropyl-β-D-thiogalactopyranoside
CAS Number: 367-93-1
Molecular Weight: 238.3
Chemical Formula: C₉H₁₈O₅S
Solubility: Water, ethanol
Storage Temp: 2-8°C

IPTG is combined with X-GAL to detect lac+ colonies or cells in a colorimetric assay. Distinguishes recombinants (white) from non- recombinants (blue) in cloning strategies using vectors such as Lambda-11, M13mp 18 and 19, pUC18 and 19, pUR222 containing the lacZ gene.

Dioxane-Free
Water Content: <0.49%

Research or further manufacturing use only, not for food or drug use.

• Appearance: White Crystalline Powder
• Assay (HPLC): 98.0 - 101.0 %
• Purity (HPLC): ≥ 99.0 %
• 1,4-Dioxane: Not Detected
• Absorbance @300nm (5% w/v sol in H₂O): ≤ 0.13
• Absorbance @400nm (5% w/v solution in H₂O): ≤ 0.06
• Identification: IR Concordant with Standard
• Melting Range: 110 - 114 °C
• Moisture Content (KF): ≤ 1.0 %
• pH (5% in water): 5.0 - 7.0
• Solubility: Soluble in Water and Methanol
• Specific Optical Rotation: -34.5 - -28.5 ^o
• BSE/TSE Free: BSE/TSE Free
• Non Animal Origin: Non Animal Origin
• Country of Origin: Report

PR1MA™ Benzamidine Hydrochloride

CAS Number: 1670-14-0

Molecular Weight: 156.6

Chemical Formula: C7H8N2 • HCl

Solubility: Water

Storage Temp: 2-8°C

Competitive serine protease inhibitor which forms stable complexes with and blocks the active sites of enzymes. Target enzymes include trypsin, hymotrypsin, kallikzein and plasmin.

Shipping Weight: 0.3 lbs

Shipping Dimensions: 3.50 x 3.75 x 3.50

Research or further manufacturing use only, not for food or drug use.

Specifications

• Appearance: White crystalline powder
• Assay (HPLC): ≥ 98.5 %
• Loss on Drying: ≤ 2 %
• Residue on Ignition: ≤ 0.5 %
• Material Source: Chemical Synthesis
• BSE/TSE Free: BSE/TSE Free
• Country of Origin: Report 

Proudly made in the USA! Click here for more made in America products!
  

Tris Hydrochloride

• Appearance: White, Crystalline Powder
• Purity: ≥ 99.0%
• pH (1% Aqueous): 4.2 - 5.0
• Solubility (1M Aqueous): Clear and Colorless
• Identity (FTIR): Conforms to Structure
• Loss on Drying (105°C/4h): ≤ 0.5%
• Melting Point: 149ºC - 153ºC
• A260 (40% Aqueous): ≤ 0.06
• A280 (40% Aqueous): ≤ 0.05
• Lead: 5 ppm
• RNase: None Detected
• DNase: None Detected

*Custom sizes available upon request.

DOT Information: Non-regulated.   
 

Sodium Phosphate Dibasic, Heptahydrate

• Appearance: White to Off-White Powder
• Purity: ≥ 99.0%
• pH (5% Aqueous) : 8.7 - 9.3
• Solubility: Clear and Colorless
• Identity (FTIR): Conforms to Structure
• Loss on Drying (105°C/4 h): 44 - 50%
• Lead: ≤ 10 ppm
• Iron: ≤ 10 ppm
• Chloride: ≤ 10 ppm
• Phosphate: 35.0% - 39.-%
• Sulfate: ≤ 50 ppm
• RNase: None Detected
• DNase: None Detected

*Custom sizes available upon request.

DOT Information: Non-regulated.   
 

Sodium Phosphate Monobasic, Anhydrous

• Appearance (Color): White to Off-White
• Appearance (Form): Crystalline Powder
• Purity: 98.0 - 103.0%
• pH (5% Aqueous): 4.1 - 4.5
• Solubility: Clear and colorless
• Identity (FTIR): Conforms to Structure
• Loss on Drying (105°C/4h): ≤ 0.5%
• Insoluble Matter: ≤ 2.0%
• Lead: ≤ 5 ppm
• Arsenic: ≤ 3 ppm
• Fluoride: ≤ 50 ppm
• Phosphorous: 24.5 - 26.5%
• RNase: None Detected
• DNase: None Detected

*Custom sizes available upon request.

DOT Information: Non-regulated.
 

Tris Base

• Appearance: White, Crystalline Powder
• Purity: ≥ 99.5%
• pH (5% Aqueous): 10.0 - 11.5
• Solubility (40% Aqueous): Clear and Colorless
• Identity (FTIR): Conforms to Structure: ≤ 0.5%
• Loss on Drying (105°C/4h): ≤ 0.5%
• Melting Point: 168ºC – 172ºC
• A280 (40% Aqueous): ≤ 0.07
• A400 (40% Aqueous): ≤ 0.02
• Lead: ≤ 5 ppm
• Iron: ≤ 5 ppm
• Chloride: ≤ 3 ppm
• Sulfate: ≤ 10 ppm
• RNase: None Detected
• DNase: None Detected

*Custom sizes available upon request.

DOT Information: Non-regulated.   
 

Pall® Ampoule Media for Microbiological Analysis

• Sterile Ampoule Media Pre-Measured for Maximum Efficiency and Convenience
• Meets Membrane Filter (MF) Technique Standard Method requirements with 2 mL ampoules*
• Maximizes efficiency with premixed and presterilized media
• Choose between plastic or glass ampoules for your applications
• Simplify pouring of the media with wide-mouth glass ampoules
• All plastic ampoule media is economically packaged with 50 ampoules per box

Sodium Chloride

• Appearance: White Crystalline Powder
• Purity: 99.0 - 101.5%
• pH (5% Aqueous): 5.0 - 9.0
• Lead: ≤ 5 ppm
• Iron: ≤ 2 ppm
• Insoluble Matter: ≤ 0.005%
• Iodide: ≤ 20 ppm
• Bromide: ≤ 100 ppm
• Phosphate: ≤ 5 ppm
• Sulfate: ≤ 40 ppm
• Barium: To Pass Test
• Calcium: ≤ 20 ppm
• Magnesium: ≤ 10 ppm
• Potassium: ≤ 50 ppm
• Chlorate & Nitrate: ≤ 30 ppm
• RNase: None Detected
• DNase: None Detected

*Custom sizes available upon request.

DOT Information: Non-regulated.   
 

Sodium Phosphate Dibasic, Anhydrous

• Appearance: White Crystalline Powder
• Purity: ≥ 98.0%
• pH (1% Aqueous): 8.4 – 9.6
• Solubility: Clear and Colorless
• Identity (FTIR): Conforms to Structure
• Loss on Drying (105°C / 4h): ≤ 0.5%
• Insoluble Matter: ≤ 0.2%
• Phosphate: 49.0 - 51.0%
• Fluoride: ≤ 10 ppm
• Arsenic: ≤ 1 ppm
• Lead: ≤ 1 ppm
• RNase: None Detected
• DNase: None Detected

*Custom sizes available upon request.

DOT Information: Non-regulated.